A.30
B.33
C.37
D.40
[单选题]5、9、15、24、38、59、( )A. 91 B. 89 C. 83 D. 77
计算下面各题. (2)/(9)×(3)/(5)(6)/(7)×(7)/(9)(5)/(8)×(4)/(15)(9)/(20)×(5)/(21)(6)/(5)×(
[单选题]2/3,1/2,5/9,( ),11/15。A.2/5B.6/11C.3/4D.7/12
[单选题]2/3,1/2,5/9,( ),11/15。A.2/5B.6/11C.3/4D.7/12
[单选题]2/3,1/2,5/9,( ),11/15。A.2/5B.6/11C.3/4D.7/12
[单选题]2/3,1/2,5/9,( ),11/15。A.2/5B.6/11C.3/4D.7/12
[单选题]2/3,1/2,5/9,( ),11/15。A.2/5B.6/11C.3/4D.7/12
[单选题]2/3,1/2,5/9,( ),11/15。A.2/5B.6/11C.3/4D.7/12
[单选题]2/3,1/2,5/9,( ),11/15。A.2/5B.6/11C.3/4D.7/12
[单选题]2/3,1/2,5/9,( ),11/15。A.2/5B.6/11C.3/4D.7/12